[Durable Coffee Grinder] C3 Pro manual coffee grinder Upgraded to folding handle and S2C660 grinding core, It is made of CNC machining stainless steel conical burr. Double bearing central axis positioning-uniform grinding particles. Burr size 38 mm-efficient grinding of coffee beans. [Roughness Adjustment Function] Adjustable in about 36 steps. You can easily grind the desired roughness from fine to coarse with the adjustment nut. Clockwise rotate get finer powder; Anti-Clockwise rotate gets coarser powder. [Excellent Conical Grinding Burr] Hand coffee grinder milling blade with 55-58HRC hardness in 5-axis CNC machining realizes uniform grinding with almost no excessively coarse grains. At the same time, the generation of fine powder is minimized. [Well Labor Saving Performance] Coffee grinder burr smoother movement is realized as the handle keeps turning for a while even if you release your hand due to the built-in bearing. In addition, a compact body of 52 mm that is easy to grasp even for small hands. And it is possible to grind lightly with very little force. [Convenient To Carry & Clean Design] Manual coffee grinder handle upgraded to foldable, while maintaining a lightweight and a moderate sense of weight and luxury. It is ideal not only for home use but also for carrying outdoors or traveling. Easy to disassemble for cleaning – just be cleaned by.